Mining Engineers' Handbook, Volume 2Robert Peele, John Adams Church J. Wiley & sons, Incorporated, 1941 |
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Hasil 1-3 dari 81
Halaman 25-5
... amount , price 10 ¢ each ; or from local postmasters , stationers , engineers , or sporting goods houses , who often carry , at an advanced price , those of their district . Mine equipment should be examined as to its future utility ...
... amount , price 10 ¢ each ; or from local postmasters , stationers , engineers , or sporting goods houses , who often carry , at an advanced price , those of their district . Mine equipment should be examined as to its future utility ...
Halaman 30-11
... amounts insufficient to cause a freeze , it is detrimental , increasing the loss . While some copper remains in bead , the amount is less than the induced loss , giving low results ( especially for silver ) . Both this loss , and the amount ...
... amounts insufficient to cause a freeze , it is detrimental , increasing the loss . While some copper remains in bead , the amount is less than the induced loss , giving low results ( especially for silver ) . Both this loss , and the amount ...
Halaman 30-13
... amount use ( b ) , except for specimens composed largely of telluride , in which case ( c ) is preferable . Charges should be fused at moderate temperature , though it is possible to have too low a tempera- ture , giving low results ...
... amount use ( b ) , except for specimens composed largely of telluride , in which case ( c ) is preferable . Charges should be fused at moderate temperature , though it is possible to have too low a tempera- ture , giving low results ...
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COMPRESSED | 15 |
Applications Definitions Data | 15-44 |
Accident Compensation Pensions | 16-1 |
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adjustment Aerial Tramway anthracite approx assay aver borax buckets Bur Mines capac carriers cars charge chute claim coal mines compressor concentrate conveyer copper cost crusher crushing cu ft cupel cyanide deflection diam discharge distance drill dust elev engineer explosions feed filter fire firedamp gold hoisting horiz intercooler labor lamp less litharge loaders loading lode long ton machine material mechanical metal method mill mineral motor operation pipe plant plate plumb-bob pump pyrite rock safety lamps sample screen shaft sheave short ton side silver sizes Sodium carbonate solution speed station steel stopes surface survey Table tape telescope temp tension tests timber tion tons Total towers track cable traction rope tramway Trans transit traverse underground usually vein vertical wire zinc